NIC Esthetician Written ExamScientific ConceptsMedium
A client is experiencing persistent dry, flaky skin, particularly on their lower legs, which appears rough and scaly, resembling fish scales. This condition tends to worsen in colder, drier weather. The esthetician recognizes this hereditary disorder as a common cause of excessively dry skin.
- AIchthyosis Vulgaris
- BPsoriasis
- CSeborrheic Dermatitis
- DAtopic Dermatitis
Show answer & explanationAnswer & explanation
Correct answer: A. Ichthyosis Vulgaris
Ichthyosis vulgaris is a common inherited skin disorder characterized by dry, scaly skin that often resembles fish scales, particularly on the lower legs. It worsens in dry, cold conditions.
Why the other options are wrong
- B. Psoriasis presents with well-demarcated, silvery-scaled plaques on red patches, not generalized fish-like scales.
- C. Seborrheic dermatitis affects oily areas like the scalp and face, causing greasy, yellowish scales and redness.
- D. Atopic dermatitis (eczema) involves itchy, inflamed skin, but usually not the distinct fish-scale appearance.
Ichthyosis Vulgaris
Ichthyosis vulgaris is a hereditary skin disorder characterized by chronic dry, rough, and scaly skin, often resembling fish scales, due to impaired desquamation.
- Most common form of ichthyosis.
- Often worsens in dry, cold environments.
- Can be associated with atopic dermatitis and asthma.
Memory trick: Icky scales, a genetic tale.